/[schmitzm]/trunk/src/skrueger/geotools/StyledFeatureCollectionTableModel.java
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trunk/src/skrueger/geotools/StyledFeatureCollectionTableModel.java revision 58 by mojays, Fri Apr 17 15:55:33 2009 UTC branches/1.0-gt2-2.6/src/skrueger/geotools/StyledFeatureCollectionTableModel.java revision 464 by alfonx, Tue Oct 13 13:22:31 2009 UTC
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1  /** SCHMITZM - This file is part of the java library of Martin O.J. Schmitz (SCHMITZM)  /*******************************************************************************
2     * Copyright (c) 2009 Martin O. J. Schmitz.
3      This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version.   *
4      This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.   * This file is part of the SCHMITZM library - a collection of utility
5      You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110, USA   * classes based on Java 1.6, focusing (not only) on Java Swing
6     * and the Geotools library.
7      Diese Bibliothek ist freie Software; Sie dürfen sie unter den Bedingungen der GNU Lesser General Public License, wie von der Free Software Foundation veröffentlicht, weiterverteilen und/oder modifizieren; entweder gemäß Version 2.1 der Lizenz oder (nach Ihrer Option) jeder späteren Version.   *
8      Diese Bibliothek wird in der Hoffnung weiterverbreitet, daß sie nützlich sein wird, jedoch OHNE IRGENDEINE GARANTIE, auch ohne die implizierte Garantie der MARKTREIFE oder der VERWENDBARKEIT FÜR EINEN BESTIMMTEN ZWECK. Mehr Details finden Sie in der GNU Lesser General Public License.   * The SCHMITZM project is hosted at:
9      Sie sollten eine Kopie der GNU Lesser General Public License zusammen mit dieser Bibliothek erhalten haben; falls nicht, schreiben Sie an die Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110, USA.   * http://wald.intevation.org/projects/schmitzm/
10   **/   *
11  package skrueger.geotools;   * This program is free software; you can redistribute it and/or
12     * modify it under the terms of the GNU Lesser General Public License
13  import java.util.Iterator;   * as published by the Free Software Foundation; either version 3
14  import java.util.Map;   * of the License, or (at your option) any later version.
15  import java.util.TreeMap;   *
16  import java.util.Vector;   * This program is distributed in the hope that it will be useful,
17     * but WITHOUT ANY WARRANTY; without even the implied warranty of
18  import org.geotools.data.DefaultQuery;   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
19  import org.geotools.data.FeatureSource;   * GNU General Public License for more details.
20  import org.geotools.data.Query;   *
21  import org.geotools.data.memory.MemoryDataStore;   * You should have received a copy of the GNU Lesser General Public License (license.txt)
22  import org.geotools.feature.FeatureCollection;   * along with this program; if not, write to the Free Software
23  import org.opengis.filter.Filter;   * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
24     * or try this link: http://www.gnu.org/licenses/lgpl.html
25  import schmitzm.geotools.gui.FeatureCollectionTableModel;   *
26  import skrueger.AttributeMetaData;   * Contributors:
27  import skrueger.i8n.I8NUtil;   *     Martin O. J. Schmitz - initial API and implementation
28  import skrueger.i8n.Translation;   *     Stefan A. Krüger - additional utility classes
29     ******************************************************************************/
30  /**  package skrueger.geotools;
31   * This class extends the the {@link FeatureCollectionTableModel} with the  
32   * functionalities of the {@link AttributeMetaData} of  import java.util.Vector;
33   * {@linkplain StyledMapInterface styled objects}.  
34   * <ul>  import org.apache.log4j.Logger;
35   *   <li>column names are translated according to {@link AttributeMetaData#getTitle()}</li>  import org.geotools.data.DefaultQuery;
36   *   <li>columns are hidden according to {@link AttributeMetaData#isVisible()()}</li>  import org.geotools.data.FeatureSource;
37   * </ul>  import org.geotools.data.Query;
38   * @author <a href="mailto:[email protected]">Martin Schmitz</a> (University of Bonn/Germany)  import org.geotools.feature.FeatureCollection;
39   */  import org.opengis.feature.simple.SimpleFeature;
40  public class StyledFeatureCollectionTableModel extends FeatureCollectionTableModel {  import org.opengis.feature.simple.SimpleFeatureType;
41    /** Holds the data source as styled map. */  import org.opengis.feature.type.AttributeDescriptor;
42    protected StyledMapInterface map = null;  import org.opengis.filter.Filter;
43    /** Contains only the visible elements of the {@link AttributeMetaData}-Map */  
44    protected Map<Integer, AttributeMetaData> visibleAMD = null;  import schmitzm.geotools.gui.FeatureCollectionTableModel;
45    /** Holds the data source for the table as {@code FeatureSource}. */  import skrueger.AttributeMetadata;
46    protected FeatureSource featureSource = null;  
47    /** Holds the current filter on the table */  import com.vividsolutions.jts.geom.Envelope;
48    protected Filter filter = null;  
49    /**
50    /**   * This class extends the the {@link FeatureCollectionTableModel} with the
51     * Creates a new table model for a styled map.   * functionalities of the {@link AttributeMetadata}.
52     * @param map the styled map   * <ul>
53     */   * <li>column names are translated according to
54    public StyledFeatureCollectionTableModel(StyledFeatureCollectionInterface map) {   * {@link AttributeMetadata#getTitle()}</li>
55      this(map,Filter.INCLUDE);   * <li>columns are hidden according to {@link AttributeMetaData#isVisible()()}</li>
56    }   * <li>Any filter defined in the {@link StyledFeaturesInterface} will be applied.</li>
57     * </ul>
58    /**   *
59     * Creates a new table model for a styled map.   * @author Stefan A. Krüger
60     * @param map the styled map   */
61     * @param filter filter applied to the table  public class StyledFeatureCollectionTableModel extends
62     */                  FeatureCollectionTableModel {
63    public StyledFeatureCollectionTableModel(StyledFeatureCollectionInterface map, Filter filter) {          final static private Logger LOGGER = Logger
64      super();                          .getLogger(StyledFeatureCollectionTableModel.class);
65      setFeatureCollection(map, filter);          /** Contains the complete {@link AttributeMetadata}-Map of the styled layer. */
66    }          protected AttributeMetadataMap origAMD = null;
67            /** Holds the current filter on the table */
68    /**          protected Filter filter = null;
69     * Creates a new table model for a styled map.          /** Holds the Bounds for all features. Only set once during the constructor **/
70     * @param map the styled map          protected Envelope bounds;
71     */  
72    public StyledFeatureCollectionTableModel(StyledFeatureSourceInterface map) {          
73      this(map,Filter.INCLUDE);          /**
74    }           * Creates a new table model for a styled layer.
75             *
76    /**           * @param styledFeatures
77     * Creates a new table model for a styled map.           *            the styled layer
78     * @param map the styled map           * @param filter
79     * @param filter filter applied to the table           *            filter applied to the table
80     */           */
81    public StyledFeatureCollectionTableModel(StyledFeatureSourceInterface map, Filter filter) {          public StyledFeatureCollectionTableModel(StyledFeaturesInterface<?> styledFeatures) {
82      super();                  setStyledFeatures(styledFeatures);
83      setFeatureCollection(map, filter);          }
84    }  
85            /**
86    /**           * Sets a new data source for the table.
87     * Sets a new data source for the table.           *
88     * @param fs     the feature source           * @param fs
89     * @param amd    {@link AttributeMetaData}-Map to define the visible attributes           *            the feature source
90     *               and translation           * @param amd
91     */           *            {@link AttributeMetadata}-Map to define the visible attributes
92    protected void setFeatureSource(FeatureSource fs, Map<Integer, AttributeMetaData> amd, Filter filter) throws Exception {           *            and translation
93      if ( filter == null )           */
94        filter = Filter.INCLUDE;          protected void setFeatureSource(FeatureSource<SimpleFeatureType, SimpleFeature> fs,
95                            AttributeMetadataMap amd, Filter filter)
96      this.featureSource = fs;                          throws Exception {
97      this.filter        = filter;                  
98      this.visibleAMD    = null;                  if (filter == null)
99                                filter = Filter.INCLUDE;
100      FeatureCollection fc = null;  
101      if (fs != null) {  //              this.featureSource = fs;
102        Query query = new DefaultQuery();                  this.filter = filter;
103        if (amd != null) {                  this.origAMD = amd;
104          // determine the names of the visible Attributes  
105          this.visibleAMD = StyledMapUtil.getVisibleAttributeMetaData(amd, true);                  FeatureCollection<SimpleFeatureType, SimpleFeature> fc = null;
106          Vector<String> visibleAttrNames = new Vector<String>();                  if (fs != null) {
107          // Add the column with the geometry (usually "the_geom")  
108          visibleAttrNames.add(fs.getSchema().getDefaultGeometry().getLocalName());                          bounds = fs.getBounds();
109          for (int attrIdx : visibleAMD.keySet())  
110            visibleAttrNames.add(fs.getSchema().getAttributeType(attrIdx).getLocalName());                          final SimpleFeatureType schema = fs.getSchema();
111                            Query query = new DefaultQuery(schema.getTypeName(), filter);
112          // create a query for the visible attributes                          if (amd != null) {
113          String[] properties = visibleAttrNames.toArray(new String[0]);                                  Vector<String> visibleAttrNames = new Vector<String>();
114          query = new DefaultQuery(fs.getSchema().getTypeName(), filter, properties);                                  // Add the column with the geometry (usually "the_geom")
115        }                                  
116        fc = fs.getFeatures(query);                                  for (AttributeDescriptor aDesc : schema.getAttributeDescriptors()) {
117      }                                          
118      setFeatureCollection(fc);                                          // Always add the geometry
119    }                                          if (schema.getGeometryDescriptor()
120                                                    .getName().equals(aDesc.getName())) {
121    /**                                                  visibleAttrNames.add(schema.getGeometryDescriptor()
122     * Converts the {@code StyledFeatureCollection} to a {@code FeatureSource}                                                                  .getLocalName());
123     * and sets this as the new data source for the table.                                                  continue;
124     * @param fs     the feature source                                          }
125     * @param amd    {@link AttributeMetaData}-Map to define the visible attributes                                          
126     *               and translation                                          if (amd.get(aDesc.getName()).isVisible())
127     */                                                  visibleAttrNames.add(aDesc.getName().getLocalPart());
128    public void setFeatureCollection(StyledFeatureCollectionInterface map, Filter filter) {                                  }
129      this.map = map;  
130      try {                                  // create a query for the visible attributes
131        if (map == null)                                  String[] properties = visibleAttrNames.toArray(new String[] {});
132          setFeatureSource(null, null, null);  
133        else {                                  LOGGER.debug("Query contains the following attributes: "
134          FeatureCollection fc = map.getGeoObject();                                                  + visibleAttrNames);
135          String fcName = fc.getFeatureType().getTypeName();  
136          FeatureSource fs = new MemoryDataStore(fc).getFeatureSource(fcName);                                  query = new DefaultQuery(schema.getTypeName(), filter,
137          setFeatureSource(fs, map.getAttributeMetaDataMap(), filter);                                                  properties);
138        }                          }
139      } catch (Exception err) {                          fc = fs.getFeatures(query);
140        throw new RuntimeException(err);                  }
141      }                  setFeatureCollection(fc);
142    }          }
143    
144    /**          /**
145     * Sets the {@code StyledFeatureCollection} as new data source for the table.           * Converts the {@code StyledFeatureCollection} to a {@code FeatureSource}
146     * @param fs     the feature source           * and sets this as the new data source for the table.
147     * @param amd    {@link AttributeMetaData}-Map to define the visible attributes           *
148     *               and translation           * @param fs
149     */           *            the feature source
150    public void setFeatureCollection(StyledFeatureSourceInterface map, Filter filter) {           * @param amd
151      this.map = map;           *            {@link AttributeMetadata}-Map to define the visible attributes
152      try {           *            and translation
153        if (map == null)           */
154          setFeatureSource(null, null, null);          public void setStyledFeatures(StyledFeaturesInterface<?> styledFeatures) {
155        else                  try {
156          setFeatureSource(map.getGeoObject(), map.getAttributeMetaDataMap(), filter);                          if (styledFeatures == null)
157      } catch (Exception err) {                                  setFeatureSource(null, null, null);
158        throw new RuntimeException(err);                          else {
159      }                                  setFeatureSource(styledFeatures.getFeatureSource(), styledFeatures.getAttributeMetaDataMap(), styledFeatures.getFilter());
160    }                          }
161                      } catch (Exception err) {
162    /**                          throw new RuntimeException(err);
163     * Resets the filter for the table.                  }
164     * @param filter a filter          }
165     */  
166    public void setFilter(Filter filter) {          /**
167      try{           * After calling {@code super.reorganize(.)} this method replaced the column
168        setFeatureSource(this.featureSource, this.visibleAMD, filter);           * descriptions with the titles of the {@code AttributeMetaData}.
169      } catch (Exception err) {           *
170        throw new RuntimeException(err);           * @param fireTableStructureChanged
171      }           *            indicates whether a table event is initiated after reorganize
172    }           */
173            @Override
174    /**          protected void reorganize(boolean fireTableStructureChanged) {
175     * After calling {@code super.reorganize(.)} this method replaced the                  
176     * column descriptions with the titles of the {@code AttributeMetaData}.                  super.reorganize(false);
177     * @param fireTableStructureChanged indicates whether a table event is                  
178     *        initiated after reorganize                  // translate the column names
179     */                  if (origAMD != null) {
180    @Override                          for (int i = 0; i < colNames.length; i++) {
181    protected void reorganize(boolean fireTableStructureChanged) {                                  colNames[i] = origAMD.get(colNames[i]).getTitle().toString();
182      super.reorganize(false);                          }
183      // translate the column names                          
184      if (visibleAMD != null) {                  }
185        Iterator<Integer> keys = visibleAMD.keySet().iterator();                  if (fireTableStructureChanged)
186        for (int i = 0; i < colNames.length && keys.hasNext(); i++) {                          fireTableStructureChanged();
187          Translation title = visibleAMD.get(keys.next()).getTitle();          }
188          if (!I8NUtil.isEmpty(title)) {  
189            System.out.println("set colname " + i + " to " + title.toString());          /**
190            colNames[i] = title.toString();           * @return Cached bounds for the whole dataset (without applying the filter)
191          }           *         or <code>null</code>
192        }           */
193      }          public Envelope getBounds() {
194      if ( fireTableStructureChanged )                  return bounds;
195        fireTableStructureChanged();          }
196    }  }
 }  

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